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3. Epidemiologic features of diffuse connective tissue disorders in Rochester, Minn., 1951 through 1967, with special reference to systemic lupus erythematosus;Kurland,1969
4. Epidemiologic studies on systemic lupus erythematosus, comparative data for New York City and Jefferson County, Ala., 1956–1965;Siegal;Arthritis Rheum,1970
5. The epidemiology of systemic lupus erythematosus;Siegal,1973